Pronephros Definition

prō-nĕfrəs, -rŏs
pronephros, pronephroi
noun
A primitive kidney, the most anterior of three pairs of renal organs, functional only during embryonic development in most lower vertebrates, and appearing only transiently in the human embryo.
Webster's New World

Other Word Forms of Pronephros

Noun

Singular:
pronephros
Plural:
pronephroi

Origin of Pronephros

  • pro– Greek nephros kidney

    From American Heritage Dictionary of the English Language, 5th Edition

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pronephros